Q&A OF THE MONTH
cap_var vs. cap_sw
Learn the difference between two capacitor primitives: 'cap_var' and 'cap_sw'.
July 2020
TIP OF THE MONTH
Mapping global nets as UDM ports
Here is a simple tip to make the global nets used in the lower-hierarchy cells visible in the UDM port mapping list.
PRIMITIVE OF THE MONTH
scale_var
This primitive is like the 'scale' primitive, but has an additional real-type input that sets a variable scale factor.
XMODEL RELEASE UPDATES
2020.07 Release
This release extends the connector primitives to support 'x' and 'z' values more naturally, for example, holding the analog output at its current value when the digital input becomes an 'x' or 'z'.
Latest Issues
March 2025
Silicon Photonics Simulation with XMODEL, Measuring I-V Curves, and More
February 2025
Catching Elusive Voltage Spikes with Assertions, Modeling VCO with Extra Digital Inputs, and More
January 2025
Modeling Delta-Sigma Digital-to-Analog Converters, XMODEL at DVCon US, and More
December 2024
Modeling Mixed-Signal Processing-in-Memory Circuits, Filtering Phase Noise, and More
November 2024
Modeling a Digital LDO, Tips on Modeling High-Pass Filters, and More